git: 9front

ref: eb4f514a94fdfb05ea0c8ce98cd6bac153c8b3f6
dir: /sys/src/libstdio/vsprintf.c/

View raw version 
/*
 * pANS stdio -- vsprintf
 */
#include "iolib.h"
int vsprintf(char *buf, const char *fmt, va_list args){
	int n;
	FILE *f=sopenw();
	if(f==NULL)
		return 0;
	setvbuf(f, buf, _IOFBF, 100000);
	n=vfprintf(f, fmt, args);
	sclose(f);
	return n;
}